PinCode: 841403, Hariharpur Post Office, Chapra, Saran, Bihar
| Post Office | Hariharpur |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 841403
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| Telephone | |
| Town/Taluk | Chapra |
| District | Saran |
| State | Bihar |
| Postal Division | Saran |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Chapra, Saran, Bihar